date, RIR, IPv4 adoption, IPv6 adoption
20211211, arin,  0.2318,  0.2003
20211211, ripencc,  0.5074,  0.3324
20211211, apnic,  0.2253,  0.1916
20211211, afrinic,  0.1738,  0.0613
20211211, lacnic,  0.3627,  0.4021